21290147330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1578217}}^1$

素因数の和:1578314

約数の個数: 32

約数和(自身を含む): 40907410560

約数和(自身を除く): 19617263230

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 2698, 6745, 13490, 1578217, 3156434, 7891085, 15782170, 29986123, 59972246, 112053407, 149930615, 224106814, 299861230, 560267035, 1120534070, 2129014733, 4258029466, 10645073665, 21290147330]

約数ペア:

[(1, 21290147330), (2, 10645073665), (5, 4258029466), (10, 2129014733), (19, 1120534070), (38, 560267035), (71, 299861230), (95, 224106814), (142, 149930615), (190, 112053407), (355, 59972246), (710, 29986123), (1349, 15782170), (2698, 7891085), (6745, 3156434), (13490, 1578217)]